A. Fukai was a member of Starfleet in the mid-22nd century.
Fukai was a part of the vehicle development team for the construction of the NX-01 Enterprise. Fukai's name was listed on Enterprise's dedication plaque. (Star Trek: Enterprise set artwork)
In January of 2155, Fukai was working in (or as) Guidance and Navigation at the Fleet Operations Center on Earth. Fukai's office was in room 1148. (ENT: "Demons" set artwork)